high cpu on xorg (~40%)

Bug #50180 reported by Carlos Eduardo Moreira dos Santos
4
Affects Status Importance Assigned to Milestone
linux-source-2.6.15 (Ubuntu)
Fix Released
Undecided
Unassigned

Bug Description

Binary package hint: linux-686

If I use linux-386, it goes down to 0% (correct). I have an i915 graphic board. Xorg uses i810 driver, and the kernel loads drm/i915.ko

Both kernel versions (686/386) are 2.6.15-25

Revision history for this message
Frank (frank-g-hansen) wrote :

Same thing here (Latitude X1 with Pentium M, same graphics board and driver). Has been that way already with the 2.6.15-23 kernel

When just booting into the Gnome desktop my CPU load then stays at 5-6% with the linux-386 kernel, whereas it stays at 40-50% with the linux-686 kernel.

But I rembember people with other hardware posting this problem in the Web-Forums, although I can't find the posts at the moment. Only common thing was, that everybody encountering this problem used a Pentium M of some sort.

Revision history for this message
Martin Bergner (martin-bergner) wrote :

I have the same problem on a samsung x20 with the 2.6.15-25 kernel, the 2.6.15-23 works without a problem, though!

Revision history for this message
Carlos Eduardo Moreira dos Santos (cemsbr) wrote :

2.6.15-26-686 is OK!

Revision history for this message
Ben Collins (ben-collins) wrote :

Thanks for testing.

Changed in linux-meta:
status: Unconfirmed → Fix Released
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